A tooling jig for induction brazing of a check valve

Abstract

The utility model provides a kind of for one-way valve induction brazing's tool jig, the tool jig with tool base plate as pedestal is equipped with slide rail fixed plate, vertical slide rail and horizontal slide rail on it are respectively vertical movement component and horizontal drive component guide;Horizontal drive component is driven horizontal slider by air cylinder, vertical movement component is driven by cam follower mechanism;Vertical movement component contains vertical slider, vertical connecting plate etc., realize vertical positioning pressure column lifting;Positioning component cooperates with horizontal pressure mechanism, completes the positioning and pressure of vertical short pipe, horizontal short pipe and welding piece;In addition, there are wave bead screw, spring structure and the like reinforcing component fixed.The tool jig can improve welding quality and production efficiency, reduce labor cost, and be applicable to one-way valve induction brazing.

Description

Technical Field

[0001] This utility model relates to the field of brazing tooling technology, and more specifically, to a tooling fixture for induction brazing of one-way valves. Background Technology

[0002] With the widespread application of welding technology in industries such as air conditioning, automobiles, and electronics, the requirements for precision and welding processes are becoming increasingly stringent.

[0003] Traditional brazing methods rely heavily on manual positioning and fixing of components. This not only consumes a lot of manpower, but also makes it difficult to guarantee positioning accuracy due to human factors. For example, when assembling and welding vertical and horizontal short pipes with the weldment, manual operation makes it difficult to ensure that the relative positions of the three are accurate. Even a slight positional deviation can lead to unstable welding quality, resulting in problems such as incomplete welds and missing welds, which in turn affects the performance and service life of the check valve.

[0004] Furthermore, manual operation is inefficient and cannot meet the demands of large-scale production. With the increasing market demand for check valves, traditional manual operation has become a bottleneck for improving production efficiency. Moreover, prolonged manual operation easily leads to worker fatigue, further affecting the stability of positioning and welding quality.

[0005] Furthermore, the lack of specialized tooling and fixtures results in unstable component fixation during the welding process. During induction brazing, the high temperature causes thermal deformation of the components; if not securely fixed, component displacement can lead to welding failure. Therefore, the development of a specialized tooling and fixture for induction brazing of check valves is urgently needed. This fixture can solve problems related to positioning accuracy, operational efficiency, and component fixation, thereby improving the production quality and efficiency of check valves. Utility Model Content

[0006] Based on the above-mentioned technical problems, this utility model proposes a tooling fixture for induction brazing of one-way valves.

[0007] A tooling fixture for induction brazing of one-way valves, characterized in that it comprises: The tooling base plate serves as the foundation for the entire mechanism; The slide rail fixing plate is vertically installed in the middle of the tooling base plate, with a vertical slide rail on its front side and a horizontal slide rail on its rear side. The lateral drive assembly includes a cylinder and a lateral slider, the lateral slider being slidably mounted on a lateral slide rail and driven by the cylinder; The vertical motion assembly includes a vertical slider and a vertical connecting plate. The vertical slider is slidably mounted on a vertical slide rail. The vertical connecting plate is fixed to the vertical slider and passes through an opening in the tooling base plate. The top of the vertical connecting plate is provided with a first crossbeam. Each end of the first crossbeam is provided with a slidable vertical positioning and clamping column. A positioning groove is opened at the lower end of the vertical positioning and clamping column. The cam follower mechanism consists of a horizontal slider, a connecting plate, and a vertical connecting plate. One end of the connecting plate is rotatably connected to the horizontal slider, and the other end is rotatably connected to the lower end of the vertical connecting plate, converting the forward and backward movement of the horizontal slider into the up and down movement of the vertical connecting plate. The positioning assembly includes two positioning seats, which are set on the tooling base plates on both sides of the vertical connecting plate. The top of the positioning seat is provided with a short pipe positioning block, and the front side of the short pipe positioning block is provided with an opening groove. The positioning tool is provided in front of the positioning seat, and the positioning tool is vertically aligned with the vertical positioning clamping column. The transverse clamping mechanism includes a second crossbeam and a transverse positioning clamping column. The second crossbeam is fixed on the transverse slider, and the transverse positioning clamping column is set on the second crossbeam. The positioning fixture is transversely aligned with the transverse positioning clamping column. The vertical short tube is placed in the opening groove and inserted into the positioning groove of the vertical positioning and clamping column. The welded part is placed on the positioning fixture. When the vertical connecting plate moves downward, the lower end of the vertical short tube abuts against the welded part. One end of the horizontal short tube is inserted into the horizontal positioning and clamping column, and the other end abuts against the side of the welded part, so that the three parts abut against each other.

[0008] The opening groove sidewall of the short tube positioning block is provided with a horizontal ball screw. The front end of the ball screw extends into the opening groove and abuts against the vertical short tube to prevent the vertical short tube from sliding out of the opening groove.

[0009] Both the vertical positioning and clamping column and the horizontal positioning and clamping column are fitted with the same spring structure on their outer sides. The spring is located between the lower end of the positioning and clamping column and the first crossbeam, and the lower end of the spring is connected to the positioning and clamping column.

[0010] The positioning seat has a limiting groove in the middle, with the groove opening facing outwards, and the middle part of the transverse short tube is placed in the limiting groove.

[0011] The piston shaft end of the cylinder is provided with a nut, and the rear end of the transverse slider is provided with a T-shaped groove. The nut is inserted into the T-shaped groove and locked in place by a nut.

[0012] Beneficial effects: 1. Improve welding quality: Through precise positioning components and reliable clamping mechanisms, the relative positions of the vertical short pipe, horizontal short pipe and the weldment can be ensured to be accurate and stable during the induction brazing process, effectively reducing problems such as incomplete welding and missing welding, significantly improving the welding quality of the one-way valve, and enhancing product performance and service life; 2. Improve production efficiency: This tooling fixture realizes automated positioning and clamping operations, which greatly simplifies the operation process of one-way valve induction brazing, reduces manual operation links, reduces the labor intensity of workers, improves production efficiency, and can meet the needs of large-scale production. 3. Enhanced component fixation stability: The design of ball screws, spring structure and limit groove enhances the fixation stability of components in tooling fixtures from multiple aspects. Even in the high temperature environment of induction brazing, it can effectively prevent component displacement and ensure the smooth progress of the welding process. 4. Reduced labor costs: Automated operation reduces reliance on manual labor, lowers labor costs, and avoids quality fluctuations caused by manual operation, thus improving product quality consistency. Attached Figure Description

[0013] Figure 1 A schematic diagram of the structure of this utility model is shown. Figure 1 ; Figure 2 A schematic diagram of the structure of this utility model is shown. Figure 2 ; Figure 3 A schematic diagram of the structure of this utility model is shown. Figure 3 ; In the attached diagram, 1. Tooling base plate, 2. Slide rail fixing plate, 3. Cylinder, 4. Horizontal slider, 5. Vertical slider, 6. Vertical connecting plate, 7. Connecting plate, 8. Positioning seat, 9. Second crossbeam, 10. Positioning tooling, 11. Opening, 21. Vertical slide rail, 22. Horizontal slide rail, 31. Piston shaft, 32. Nut, 33. Nut, 41. T-slot, 61. First crossbeam, 62. Vertical positioning clamping column, 81. Short pipe positioning block, 83. Limiting groove, 91. Horizontal positioning clamping column, 100. Vertical short pipe, 200. Welded part, 300. Horizontal short pipe, 622. Spring, 811. Opening groove, 812. Ball screw. Detailed Implementation

[0014] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0015] like Figures 1-3 The tooling fixture shown is used for induction brazing of one-way valves and consists of a tooling base plate 1, a slide rail fixing plate 2, a horizontal drive assembly, a vertical motion assembly, a cam follower mechanism, a positioning assembly, and a horizontal clamping mechanism.

[0016] The tooling base plate 1 serves as the foundation of the entire mechanism, providing a stable support platform for other components and ensuring the stability of the entire tooling fixture during operation. The slide rail fixing plate 2 is vertically set in the middle of the tooling base plate 1. It has a vertical slide rail 21 on its front side and a horizontal slide rail 22 on its rear side. The vertical slide rail 21 provides guidance for the vertical movement of the vertical motion component, while the horizontal slide rail 22 provides guidance for the horizontal movement of the horizontal drive component, so that each component can move precisely along a predetermined trajectory.

[0017] The lateral drive assembly includes a cylinder 3 and a lateral slider 4. The lateral slider 4 is slidably mounted on the lateral slide rail 22. The cylinder 3 drives the lateral slider 4 to move back and forth along the lateral slide rail 22. The cylinder 3 serves as a power source and can precisely control the back and forth movement of the lateral slider 4 on the lateral slide rail 22, providing power support for the subsequent cam follower mechanism and the lateral clamping mechanism.

[0018] The vertical motion assembly includes a vertical slider 5 and a vertical connecting plate 6. The vertical slider 5 is slidably mounted on the vertical slide rail 21 and can move up and down along the vertical slide rail 21. The vertical connecting plate 6 is fixed to the vertical slider 5 and passes through the opening 11 on the tooling base plate 1. The top of the vertical connecting plate 6 is provided with a first crossbeam 61. Each end of the first crossbeam 61 is provided with a slidable vertical positioning and clamping column 62. The lower end of the vertical positioning and clamping column 62 is provided with a positioning groove. The vertical motion assembly drives the vertical connecting plate 6 and the first crossbeam 61 to move up and down by moving the vertical slider 5 on the vertical slide rail 21, thereby realizing the lifting and lowering of the vertical positioning and clamping column 62 for positioning and clamping the vertical short pipe 100.

[0019] The cam follower mechanism consists of a horizontal slider 4, a connecting plate 7, and a vertical connecting plate 6. One end of the connecting plate 7 is rotatably connected to the horizontal slider 4, and the other end is rotatably connected to the lower end of the vertical connecting plate 6. The function of this mechanism is to convert the forward and backward movement of the horizontal slider 4 into the up and down movement of the vertical connecting plate 6. When the horizontal slider 4 moves forward and backward under the drive of the cylinder 3, it drives the vertical connecting plate 6 to move up and down through the connecting plate 7, thereby realizing the action of the vertical motion component. This design cleverly utilizes the conversion of motion in different directions and simplifies the power transmission method of the mechanism.

[0020] The positioning assembly includes two positioning seats 8, which are set on the tooling base plates 1 on both sides of the vertical connecting plate 6. The top of the positioning seat 8 is provided with a short pipe positioning block 81. The front side of the short pipe positioning block 81 is provided with an opening groove 811 for placing the vertical short pipe 100. The positioning fixture 10 is provided in front of the positioning seat 8. The positioning fixture 10 is vertically aligned with the vertical positioning clamping column 62. The function of the positioning assembly is to provide initial positioning for the vertical short pipe 100 and the welding part 200, ensuring that their relative positions in the tooling fixture are accurate, and laying the foundation for subsequent clamping and welding operations.

[0021] The transverse clamping mechanism includes a second crossarm 9 and a transverse positioning clamping column 91. The second crossarm 9 is fixed on the transverse slider 4, and the transverse positioning clamping column 91 is set on the second crossarm 9. The positioning fixture 10 is transversely aligned with the transverse positioning clamping column 91. When the transverse slider 4 moves under the drive of the cylinder 3, it drives the second crossarm 9 and the transverse positioning clamping column 91 to move, thereby realizing the positioning and clamping of the transverse short pipe 300, so that one end of it abuts against the side of the welded part 200, forming a tight contact with the vertical short pipe 100 and the welded part 200, ensuring the stability of the position of each component during the welding process.

[0022] The side wall of the opening groove 811 of the short tube positioning block 81 is provided with a horizontal ball screw 812. The front end of the ball screw 812 extends into the opening groove 811 and abuts against the vertical short tube 100 to limit the vertical short tube 100 from sliding out of the opening groove 811, thereby further enhancing the stability of the vertical short tube 100 during the positioning process.

[0023] Both the vertical positioning and clamping column 62 and the horizontal positioning and clamping column 91 are fitted with the same spring 622 structure. The spring 622 is located between the lower end of the positioning and clamping column and the first crossbeam 61 or the second crossbeam 9. The lower end of the spring 622 is connected to the positioning and clamping column. The spring 622 structure can provide a certain amount of buffering and adaptive adjustment during the clamping process, ensuring that the positioning and clamping column can firmly clamp the component without damaging the component due to excessive pressure.

[0024] The positioning seat 8 has a limiting groove 83 in the middle, with the opening of the limiting groove 83 open outward. The middle part of the transverse short tube 300 is placed in the limiting groove 83, which plays an auxiliary positioning role for the transverse short tube 300 and ensures the position accuracy of the transverse short tube 300 in the tooling fixture.

[0025] The piston shaft 31 of the cylinder 3 is provided with a nut 32 at its end, and the rear end of the transverse slider 4 is provided with a T-shaped groove 41. The nut 32 is inserted into the T-shaped groove 41 and locked in place by a nut 33. This connection method makes the connection between the cylinder 3 and the transverse slider 4 not only firm and reliable but also easy to disassemble.

[0026] In actual production, both the positioning seat 8 and the positioning fixture 10 are detachable fixing methods, and the short tube positioning block 81 on the positioning seat 8 is also detachable. This allows for the brazing of different components by replacing the above structures.

[0027] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tooling fixture for induction brazing of one-way valves, characterized in that, include: Tooling base plate (1) serves as the base of the entire mechanism; The slide rail fixing plate (2) is vertically set in the middle of the tooling base plate (1), with a vertical slide rail (21) on its front side and a horizontal slide rail (22) on its rear side. The lateral drive assembly includes a cylinder (3) and a lateral slider (4), the lateral slider (4) being slidably mounted on a lateral slide rail (22) and driven by the cylinder (3); The vertical motion assembly includes a vertical slider (5) and a vertical connecting plate (6). The vertical slider (5) is slidably mounted on the vertical slide rail (21). The vertical connecting plate (6) is fixed to the vertical slider (5) and passes through the opening (11) on the tooling base plate (1). The top of the vertical connecting plate (6) is provided with a first crossbeam (61). Each end of the first crossbeam (61) is provided with a slidable vertical positioning and clamping column (62). The lower end of the vertical positioning and clamping column (62) is provided with a positioning groove. The cam follower mechanism consists of a horizontal slider (4), a connecting plate (7) and a vertical connecting plate (6). One end of the connecting plate (7) is rotatably connected to the horizontal slider (4), and the other end is rotatably connected to the lower end of the vertical connecting plate (6), converting the forward and backward movement of the horizontal slider (4) into the up and down movement of the vertical connecting plate (6). The positioning assembly includes two positioning seats (8) which are set on the tooling base plate (1) on both sides of the vertical connecting plate (6). The top of the positioning seat (8) is provided with a short pipe positioning block (81), and the front side of the short pipe positioning block (81) is provided with an opening groove (811). The front of the positioning seat (8) is provided with a positioning tool (10), and the positioning tool (10) is vertically aligned with the vertical positioning clamping column (62). The transverse clamping mechanism includes a second crossbeam (9) and a transverse positioning clamping column (91). The second crossbeam (9) is fixed on the transverse slider (4), and the transverse positioning clamping column (91) is set on the second crossbeam (9). The positioning fixture (10) is transversely aligned with the transverse positioning clamping column (91). The vertical short tube (100) is placed in the opening groove (811) and inserted into the positioning groove of the vertical positioning and clamping column (62). The welded part (200) is placed on the positioning fixture (10). When the vertical connecting plate (6) moves downward, the lower end of the vertical short tube (100) abuts against the welded part (200). One end of the horizontal short tube (300) is inserted into the horizontal positioning and clamping column (91), and the other end abuts against the side of the welded part (200), so that the three abut against each other.

2. The tooling fixture for induction brazing of a one-way valve according to claim 1, characterized in that, The opening groove (811) of the short tube positioning block (81) is provided with a horizontal ball screw (812) on the side wall. The front end of the ball screw (812) extends into the opening groove (811) and abuts against the vertical short tube (100) to restrict the vertical short tube (100) from sliding out of the opening groove (811).

3. The tooling fixture for induction brazing of a one-way valve according to claim 1, characterized in that, The vertical positioning and clamping column (62) and the horizontal positioning and clamping column (91) are both fitted with the same spring structure. The spring (622) is located between the lower end of the positioning and clamping column (62) and the first crossbeam (61). The lower end of the spring (622) is connected to the positioning and clamping column (62).

4. The tooling fixture for induction brazing of a one-way valve according to claim 1, characterized in that, The positioning seat (8) is provided with a limiting groove (83) in the middle. The opening of the limiting groove (83) is open to the outside, and the middle part of the transverse short tube (300) is placed in the limiting groove (83).

5. The tooling fixture for induction brazing of a one-way valve according to claim 1, characterized in that, The piston shaft (31) of the cylinder (3) is provided with a nut (32) at the end, and the rear end of the transverse slider (4) is provided with a T-shaped groove (41). The nut (32) is inserted into the T-shaped groove (41) and locked and fixed by a nut (33).

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